Hill, C. J., Smith, M., & Vanhoonacker, S. (2023). International relations and the European Union (Fourth edition.). Oxford University Press.
Chicago Style (17. basım) AtıfHill, Christopher J., Michael Smith, ve Sophie Vanhoonacker. International Relations and the European Union. Fourth edition. Oxford: Oxford University Press, 2023.
MLA (9th ed.) AtıfHill, Christopher J., et al. International Relations and the European Union. Fourth edition. Oxford University Press, 2023.
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